Home / 30,204.46-45,286.02-15,384.70

Finding the Fourth Proportional to 30,204.46, 45,286.02 and 15,384.70

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Solution

The fourth proportional to 30,204.46, 45,286.02 and 15,384.70 is: 23,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.46 : 45,286.02 = 15,384.70 : x
  2. Step 2: Convert to fraction form
    30,204.46/45,286.02 = 15,384.70/x
  3. Step 3: Cross multiply
    30,204.46x = 45,286.02 × 15,384.70
  4. Step 4: Simplify right side
    30,204.46x = 696,711,831.89
  5. Step 5: Solve for x
    x = 696,711,831.89/30,204.46
  6. Step 6: Final answer
    x = 23,066.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.